chore: drop node 4 EOL, add node 10 🎉 (#1556)

Node 4 you were the beginning of a golden age of node. I loved you and will miss you.

.travis.yml

@@ -19,24 +19,24 @@ env:
   global:
   - secure: "L+AGMJc5NAsuym+xzB4FWj0c2rCobosixkoxLBhDBVkLiYsMtfS9y1w8Xz0pbWKJnJAH9tfwHluu5aX2qYk2HbreSyNzy8hbPW+9RbSyAQexeiZG4mLuDEz0xvlpCCQBsS1OfMypQk0/JvL4oA9B/xasrpkeVuPI7dwAz2WcFms="
   matrix:
-  - TRAVIS_NODE_VERSION="4"
-  - TRAVIS_NODE_VERSION="4" ARCH="x86"
   - TRAVIS_NODE_VERSION="6"
   - TRAVIS_NODE_VERSION="6" ARCH="x86"
   - BINARY_BUILDER="true" TRAVIS_NODE_VERSION="8"
   - BINARY_BUILDER="true" TRAVIS_NODE_VERSION="8" ARCH="x86"
   - TRAVIS_NODE_VERSION="9"
   - TRAVIS_NODE_VERSION="9" ARCH="x86"
+  - TRAVIS_NODE_VERSION="10"
+  - TRAVIS_NODE_VERSION="10" ARCH="x86"
 matrix:
   exclude:
-  - os: osx
-    env: TRAVIS_NODE_VERSION="4" ARCH="x86"
   - os: osx
     env: TRAVIS_NODE_VERSION="6" ARCH="x86"
   - os: osx
     env: BINARY_BUILDER="true" TRAVIS_NODE_VERSION="8" ARCH="x86"
   - os: osx
     env: TRAVIS_NODE_VERSION="9" ARCH="x86"
+  - os: osx
+    env: TRAVIS_NODE_VERSION="10" ARCH="x86"
 
 before_install:
 
@@ -57,9 +57,6 @@ before_install:
 - if [[ $TRAVIS_OS_NAME == "linux" ]]; then export CXX=g++-4.8; fi
 - $CXX --version
 
-# upgrade npm if on node 4 as npm2 doesn't like our dev peer deps
-- if [[ $TRAVIS_NODE_VERSION == "4" ]]; then npm install -g npm; fi
-
 # Cleanup the output of npm
 - npm config set progress false
 - npm config set spin false
@@ -89,12 +86,7 @@ install:
 - npm install --build-from-source
 
 script:
-  # linting no longer works on node 4
-- >
-  if [[ $TRAVIS_NODE_VERSION != "4" ]]; then
-    npm run lint
-  fi;
-
+- npm run lint
 - node ./
 - npm test
 

README.md

@@ -83,18 +83,18 @@ In addition to reading the [article mentioned above](http://www.voodootikigod.co
 ### Platform Support
 `serialport` supports NodeJS v4 and upwards. For versions 0.10 and 0.12, use `serialport@4`. The platforms, architectures and Node versions that `serialport` supports are the following;
 
-| Platform / Arch | Node v4.x | Node v6.x | Node v8.x | Node v9.x |
-|       ---       | --- | --- | --- | --- |
-| Linux / ia32    |  ☑  |  ☑  |  ☑  |  ☑  |
-| Linux / x64     |  ☑  |  ☑  |  ☑  |  ☑  |
-| Linux / ARM v6¹ |  ☐  |  ☐  |  ☐  |  ☐  |
-| Linux / ARM v7¹ |  ☐  |  ☐  |  ☐  |  ☐  |
-| Linux / ARM v8¹ |  ☐  |  ☐  |  ☐  |  ☐  |
-| Linux / MIPSel¹ |  ☐  |  ☐  |  ☐  |  ☐  |
-| Linux / PPC64¹  |  ☐  |  ☐  |  ☐  |  ☐  |
-| Windows² / x86  |  ☐  |  ☑  |  ☑  |  ☑  |
-| Windows² / x64  |  ☑  |  ☑  |  ☑  |  ☑  |
-| OSX³ / x64      |  ☑  |  ☑  |  ☑  |  ☑  |
+| Platform / Arch | Node v4.x | Node v6.x | Node v8.x | Node v9.x | Node v10.x |
+|       ---       | --- | --- | --- | --- | --- |
+| Linux / ia32    |  ☑  |  ☑  |  ☑  |  ☑  |  ☑  |
+| Linux / x64     |  ☑  |  ☑  |  ☑  |  ☑  |  ☑  |
+| Linux / ARM v6¹ |  ☐  |  ☐  |  ☐  |  ☐  |  ☐  |
+| Linux / ARM v7¹ |  ☐  |  ☐  |  ☐  |  ☐  |  ☐  |
+| Linux / ARM v8¹ |  ☐  |  ☐  |  ☐  |  ☐  |  ☐  |
+| Linux / MIPSel¹ |  ☐  |  ☐  |  ☐  |  ☐  |  ☐  |
+| Linux / PPC64¹  |  ☐  |  ☐  |  ☐  |  ☐  |  ☐  |
+| Windows² / x86  |  ☐  |  ☑  |  ☑  |  ☑  |  ☑  |
+| Windows² / x64  |  ☑  |  ☑  |  ☑  |  ☑  |  ☑  |
+| OSX³ / x64      |  ☑  |  ☑  |  ☑  |  ☑  |  ☑  |
 
 ¹ ARM, MIPSel and PPC64¹ platforms are not currently part of our testing or build matrix, but are known to work.
 

appveyor.yml

@@ -6,30 +6,19 @@ environment:
     secure: iDcAJCYgJK4tffyzEHbMVR8DatJcIN8eY0h29p9JQkl43TcEcm6Z6JLOBpGDk1MJ
 
   matrix:
-  - nodejs_version: "4"
   - nodejs_version: "6"
   - binary_builder: "true"
     nodejs_version: "8"
   - nodejs_version: "9"
+  - nodejs_version: "10"
 
 platform:
 - x86
 - x64
 
-# Dropping support for node 4 on 32 windows because it has isuses with ssl certs and npm
-matrix:
-  exclude:
-    - platform: x86
-      nodejs_version: "4"
-
-
 install:
 - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) $env:platform;
-# upgrade npm if on node 4 as npm2 doesn't like our dev peer deps
 - ps: >
-    if ($env:nodejs_version -eq "4") {
-      npm install -g npm | Write-Host;
-    }
     npm config set progress false
     npm config set spin false
 
@@ -66,9 +55,7 @@ build_script:
 
 test_script:
 - ps: >
-    if ($env:nodejs_version -ne "4") {
-      npm run lint
-    }
+    npm run lint
     node ./
 
 # If we run npm test in powershell it'll have the wrong encoding so we have to do it like this